diff --git a/README.md b/README.md
index 4aee0de2e..f28064d7b 100644
--- a/README.md
+++ b/README.md
@@ -22,15 +22,15 @@ The configuration is contained in [appveyor.yml](appveyor.yml).
 
 ## Required software
 
-* F# 3.1
-* MSBuild 12
+* F# 3.1 or newer
+* MSBuild 12 or newer
 
 ### Windows
 
 This can be obtained by installing Visual Studio 2013 or downloading:
 
-* [Visual F# Tools 3.1.2](http://www.microsoft.com/en-us/download/details.aspx?id=44011)
-* [Microsoft Built Tools 2013](https://www.microsoft.com/en-us/download/details.aspx?id=40760)
+* [Visual F# Tools 4.0](https://www.microsoft.com/en-us/download/details.aspx?id=48179)
+* [Microsoft Built Tools 2015](https://www.microsoft.com/en-us/download/details.aspx?id=48159)
 
 ### Mono